https://blogs.sussex.ac.uk/uktpo/2018/12/17/organising-the-second-referendum/
https://www.instituteforgovernment.org.uk/printpdf/10590
https://institute.global/sites/default/files/2020-07/Tony%20Blair%20Institute%2C%20A%20Path%20to%20Brexit%20Agreement%2C%20July%202020.pdf
https://policyscotland.gla.ac.uk/blog-sir-ivan-rogers-speech-text-in-full/